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Journal : Sainstek : Jurnal Sains dan Teknologi

PEMBUATAN ALAT UKUR KELAJUAN ANGIN MENGGUNAKAN SENSOR OPTOCOUPLER DENGAN DISPLAY PC Yanti, Nurfitriza; Yulkifli, Yulkifli; Kamus, Zulhendri
Sainstek : Jurnal Sains dan Teknologi Vol 7, No 2 (2015)
Publisher : IAIN Batusangkar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (513.431 KB) | DOI: 10.31958/js.v7i2.131

Abstract

The wind is one of the important parameters in meteorology to determine weather and climate. It can be determined by using two quantity measured, such us speed and direction of wind. Based on the result of measuring will obtain important information that can be used for disaster prevention. For measuring of wind speed, this reserch design a measurement using optocoupler sensor to determine wind speed with change of sensor resistance. The sensor is conected to an electronic circuit and a microcontroller Arduino Uno Rev3 and it is programmed to get the desired results. Based on data analysis, there are two result of research namely performance and design specifications. The instrument consists of two parts; the electronic circuits and mechanical parts making up the system of measuring instruments of wind speed. Based on the results conducted, the accuracy of this measuring instrument is 91.39% with 3.22% error percentage and the accuracy of the instrument was 98.9% with 1:11% relative error percentage.Key words: sensor optocoupler, microcontroler arduino
PEMBUATAN ALAT UKUR SALINITAS DAN KEKERUHAN AIR MENGGUNAKAN SENSOR ELEKTRODA DAN LDR Siltri, Dina Mulya; Yohandri, Yohandri; Zulhendri Kamus, Zulhendri Kamus
Sainstek : Jurnal Sains dan Teknologi Vol 7, No 2 (2015)
Publisher : IAIN Batusangkar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (569.927 KB) | DOI: 10.31958/js.v7i2.133

Abstract

The objective of this research is to determine both performance and design spesification of Salinitymeter and Turbiditymeter. This system combined from several sub systems such as electrode and Light Dependent Resistor (LDR) sensor, microcontroller Arduino, Liquid Crystal Display (LCD) and Light Emiting Diode (LED) indicators.  The variable of this research are salinity and turbidity. The result of this research divided in two parts. The first is performance spesification, this system using copper electrode as salinity sensor and LDR as turbidity sensor. This consist of two plastic box which are circuit box and sample box. The second is design spesification that consist of some data such as accuration and precision. Salinity measurement has accuration 95.71% with precision 97.22%, Turbidity measurement has 96.25 % of accuration and 97.69% of precision.Key words: salinity, turbidity, electrode sensor
PEMBUATAN SISTEM PENGUKURAN VISKOSITAS FLUIDA SECARA DIGITAL MENGGUNAKAN SENSOR EFEK HALL UGN3503 BERBASIS ARDUINO UNO328 Tissos, Nurry Putri; Yulkifli, Yulkifli; Kamus, Zulhendri
Sainstek : Jurnal Sains dan Teknologi Vol 6, No 1 (2014)
Publisher : IAIN Batusangkar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (471.698 KB) | DOI: 10.31958/js.v6i1.106

Abstract

he purpose of this research is to determine the performance specifications and design specifications of viscometer. Kind of this research is laboratory experiment. The result is the design of the measurement system consists of an UGN3503 sensor as the sensing iron ball and an electronic box, the system have the average relative accuracy is 96% with an average of 0.9706. The viscosity values for oil is 10,237 Pa s  and cooking oil of 2,286 Pa s.Key words : viscocity, arduino uno328, hall effect UGN3503